Install RabbitMQ repo key on Ubuntu and Debian
Install RabbitMQ repo key on Ubuntu and Debian

It was missed previously.
CI did not detect it because it ignores apt security issues.
That gets fixed in Ic5abc4b87fd76f87aba383abf43e95ba70629fcb

Change-Id: I11256c674c42e35496146ff64fee1e8e04c30d2c

openstack/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla,stackforge/kolla